Punch-press.



P. S. SOUDERS.

PUNGH PRESS.

i APPLICATION FILED .TAIL-21, 1911.

Patented July 25, 1911.

2 SHEETS-SHEET 1.

S. Sau/00m CLES:

P. S. SOUDERS.

v PUNCH PRESS.

APPLIOATION FILED 1111.21. 1911.

998,806, Patented July 25,`911.

Presses, of which they following is .e punch press in which plied 'onlyet the time the cross-head is :it

nnirnn rues-'r sl SUBERS, F RDCKFRLD, ILLINOIS, ASSIGNOR T ROCKFORD IRON WORKS,

0F RCKFURP. ILLINOS, A. CQRPORl-'LTION 0F ILLIN 01S.

runen-PRESS.

gosses.

To all 'whontit may concern: y

Be it known that l, .PERRY S. Sconces, n. citizen of' the United Stetes, residing et Rockford. in' the county of lVinneb-ngo and State of illinois, have invented certain new sind useful linlnovenients in Puncha speciii# cation. Y

The object or" this invention to construct the friction is eptlie height of its increment und zitter the4 :toot treadie has neen released in order that friction will onli,Y he applied et the time it is required to hohl the cross-head up.

ln the accompanying drawings, Figure 1 is :t vertical section on dotted line (t a. Fig. 2. 2 is a rfront elevationl oit the upper portion' of the punch press. l'iigis sv section on dotted line h .7; Fig. 1, in which the friction applied. end, the clutch disengaged. 4 is section on dotted line. h Fig. 1 in which the tfon is released and the clutch is in engagement. Fig. 5 is en unrierfece View of' the "clutch mechanism.

Fig. section on riot-ted line fr. t Fig. 2, in which the clutch is in engagement enti the ricti on released.. 7 is e section' on riotf tec? line a a Fig. 2. in which the clutch is in engagement, the friction released and the cross-heeel dropped half its distance. Fig. 8 is u rear elevation of the upper portion of Vthe punch press. Fig. 9 is a section on flot tecl line c c Fig. el.

The punch pressu in the moin .i of the usuel construction. The pieten ci 4`ihell 1, is supported by the base 2, snel the guides 3 ere connected to the .rear portion l of the freine. it shaft 5 is' supported in bearings .Spend e. cross-heecl 7 has a Ipivot-ttl con` nection with the crank portici) 8 of the shaft. vTeiche shaft 5 is iiigedly connected :i disk' head 9` which is provided with an enlargement 10 seated in the periphery thereof, and .sn opening 11 is 'formed -throu'h the heeft., An annuler groove 12 is forinedtin the disk head 9. A dog 13 is located in the opening 11, and is provideclwith e. head 14 which is guided in the cut-sway portion 15 of the disk head. A spring 16 holds the dog extended-through the opening 11. A pulley 17 is mounted to revolve loosely on the shaft 5, intl its'face adjacent to thewdisk head 9 is formed with threeinclined recesses 18 and Speccationof Letters Patent.

Application filed January 21. 1911.

oit' a size to admit the clog 13. To the upper Patented July. 25., 1911. serial no. 603,996.

portion of the irutme is pivoteol a. lever 19 and n foot trendle 2O is pivoted to the base of the freine. A rod 21 connects the lever 19 with the trecrlle 20.

From the frame extends e perforated. prof jection 22 through which a rofl 23 passes. A spring 24 surrounds this rofl, and is located between the projection 22 and Jr-he`nuts 25.

The action of this spring is to hold the foot treadle und the bal-.19 in theposition shown at Fig. l. Nuts .26 contact with thev projection 22 and prevent the further up Ward movement of the treadle 203.116. bar .19.

A; hell crank is pivoted to the iframe on the pivot 28, and to the arm 29 of' this hell crunk is connected a link 30, the othe-rend'olf i which is connected to the bei' 19.' Theffree end of thesrin 29 of the bellcrank is beveled ns shown at Figs. 3, 4 head 1st of the dog'l will Contact "i111 the revolution of the. disk head 9 thereby 'Inoving the flog 13 against the action of theA spring 16 and 'holding the dog free of its. engagement with the pulley 17.V

' o Ithe upper portion of4 the. frame is piV- Y` and 5. 'WithWhich-the l otecl s rocker-arml, onecnd cifwhichisuu ports a shoe 32. and to its other end is pivotetl one link 33 oi. :i toggle joint. The other link 3ft oi the toggle joint-*is pivoted to thc link 33 at one end and its other end is pivoted tothe frame olf the punch press at the point. 35. A link BG has one end pivotally connected with the toggle joint, and its other end is the hell crank.

l/Vhen the mechanism is at rest, the shoe 32 Will 'rest in contct. with the enlargement 10, and the dog 13 will be free of the pulley 17 which will allow the pulley tol he driven idly and the cross-head will he held at its highest point as shown at Fig.-1. B d epressing the treaclle 20, the ber 19 will he rocked which will rock the hell-crank, there lay-liberating the degl?) in order that it mcy enter one of the inclined recesses '18 in theface f the jouiley 17. The rocking of' this bell-crank will break the toggle joint ageinst the' action of the spring t24 which will rock the loa-r and raise the shoe 32 free of the projectiqnO, thereby liberating .the shaft 5 t'o which the cioss-hed is`connected, and' -when e recess 18 receives the dog 13, the

rotation of the pulley l? will force the crosshead down and afterward reise it until the dog is withdrawn from the pulley `by the,

head of the dog contacting with the beveled. Vend ofthe bar 29.

After the treadle has been released, the spring 24 will return the toggle lever into looking position which will rock the rocker arm 31 and lower the shoe into the positionshown at Fig. 7. rEhe rotation. of the pulley, through the dog', will rotate the projection 10 until it assumes a position beneath the shoe as shown at Fig. 1, which will stop the rotation of the shaft 5, consequently the cross-head will be held suspended, as the dog 13 had just previouslyl been disengaged from the pulley 1T. By holding the treadle depressed, a connection will be indefinitely made between the pulley and cross-head, and the shoe will be held clear of the enlargement, but as soon as the treadle is released, the4 cross-head will stop 1n its top position. All that is necessary is to depress the treadle when one cycle of movements of the cross-head will be completed. The treadle can be immediately reof the rocker-arm $31 carrying* the shoe 82 can be adjusted to apply more or less fricl l. The combination of a frame, a, shaft supported by the frame, a cross-head connecterl to the shaft, a driving pulley, a clutch connection between the driving pulley and shaft, a treadlc for operating the clutch mechanism, a projection rotating with the shaft, a shoe with which the projection contacts when the cross-head is elevated and means for disengaging the shoe from the projection to release the cross-head.

2. The combination of a frame, a shaft supported bythe frame, a cross-head connected to the shaft, a driving pulley, a clutch connection between the driving pulley and shaft, a lever for holding the clutch dis engaged, a friction disk provided with a peripheral projection, a shoe movable into the path of the movement of the projection, a toggle lever connecting mthe shoe and a stationary support, and a connection between the toggle lever and the lever.

ln testimony whereof l have hereunto set my hand in presence of'two subscribing witnesses. l

PERRY S. SOUDERS.

Witnesses M. F. THAYER, f

D. E. N. Bin-mL. 

